Why not both? Also detection?!? That’s crazy. Everybody should be doing this. The raison d’etre for these sorts of bans is their perceived negative health consequences.
You almost certainly safer using whatever PED you can get your hands on if you’re trying to climb Everest.
> Why not both?
Because if you can inject EPO then you don't need xenon. With EPO you can generate as many red blood cells your body can handle.
Including too much, people have died from this.
The point remains though, this is recreation so why not just hire Dr Ferrari and take cera or epo